This is called a complete predicate
The verb itself is the main part and the main predicate, however, everything that follows forms the complete predicate together with the verb.
The right answer for the question is b
The popular method of branded entertainment that is specified would be the product placement wherein it <span>embeds brands as props within another programming, for example, television shows and movies. In addition, the method makes use of unconventional techniques of advertising the company's products.</span>
Answer
The second
Explaination